Appendix139Sound echoes during a callAdjust the volume by pressing the Volume key or move to another area.A cellular network or the Internet is often disconnected or audioquality is poor• Ensure that you are not blocking the device’s internal antenna.• When you are in areas with weak signals or poor reception, you may lose reception. Youmay have connectivity problems due to issues with the service provider’s base station.Move to another area and try again.• When using the device while moving, wireless network services may be disabled due toissues with the service provider’s network.The battery icon is emptyYour battery is low. Charge the battery.The battery does not charge properly (For Samsung-approvedchargers)• Ensure that the charger is connected properly.• Visit a Samsung Service Centre and have the battery replaced.The battery depletes faster than when first purchased• When you expose the device or the battery to very cold or very hot temperatures, theuseful charge may be reduced.• Battery consumption increases when you use messaging features or some apps, such asgames or the Internet.• The battery is consumable and the useful charge will get shorter over time.Your device is hot to the touchWhen you use apps that require more power or use apps on your device for an extendedperiod of time, your device may feel hot to the touch. This is normal and should not affectyour device’s lifespan or performance.
